/* sf_ldexp.c -- float version of s_ldexp.c.
 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
 */

/*
 * ====================================================
 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
 *
 * Developed at SunPro, a Sun Microsystems, Inc. business.
 * Permission to use, copy, modify, and distribute this
 * software is freely granted, provided that this notice
 * is preserved.
 * ====================================================
 */

#include "fdlibm.h"
#include <errno.h>

#ifdef __STDC__
    float ldexpf(float value, int exp)
#else
    float ldexpf(value, exp)
    float value; int exp;
#endif
{
    if(!finitef(value)||value==(float)0.0) return value;
    value = scalbnf(value,exp);
    if(!finitef(value)||value==(float)0.0) Djy_SaveLastError(ERANGE);
    return value;
}

#ifdef _DOUBLE_IS_32BITS

#ifdef __STDC__
    double ldexp(double value, int exp)
#else
    double ldexp(value, exp)
    double value; int exp;
#endif
{
    return (double) ldexpf((float) value, exp);
}

#endif /* defined(_DOUBLE_IS_32BITS) */
